Summary of Significant Accounting Policies - Allowance for credit losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Roll forward of allowance for credit loss
Balance at Beginning of Period	$ (143)	$ (52)	$ (46)
Bad Debt Expense Recognized	(306)	(116)	(12)
Write-offs of Uncollectible Balances	33	25	6
Balance at End of Period	$ (416)	$ (143)	$ (52)